happy-dom
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Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
273 lines • 11 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const PropertySymbol = __importStar(require("../../PropertySymbol.cjs"));
const Document_js_1 = __importDefault(require("../document/Document.cjs"));
const Node_js_1 = __importDefault(require("../node/Node.cjs"));
const NamespaceURI_js_1 = __importDefault(require("../../config/NamespaceURI.cjs"));
const HTMLCollection_js_1 = __importDefault(require("../element/HTMLCollection.cjs"));
const QuerySelector_js_1 = __importDefault(require("../../query-selector/QuerySelector.cjs"));
/**
* Parent node utility.
*/
class ParentNodeUtility {
/**
* Inserts a set of Node objects or DOMString objects after the last child of the ParentNode. DOMString objects are inserted as equivalent Text nodes.
*
* @param parentNode Parent node.
* @param nodes List of Node or DOMString.
*/
static append(parentNode, ...nodes) {
for (const node of nodes) {
if (node instanceof Node_js_1.default) {
parentNode.appendChild(node);
}
else {
parentNode.appendChild(parentNode[PropertySymbol.ownerDocument].createTextNode(String(node)));
}
}
}
/**
* Inserts a set of Node objects or DOMString objects before the first child of the ParentNode. DOMString objects are inserted as equivalent Text nodes.
*
* @param parentNode Parent node.
* @param nodes List of Node or DOMString.
*/
static prepend(parentNode, ...nodes) {
const firstChild = parentNode.firstChild;
for (const node of nodes) {
if (node instanceof Node_js_1.default) {
parentNode.insertBefore(node, firstChild);
}
else {
parentNode.insertBefore(parentNode[PropertySymbol.ownerDocument].createTextNode(String(node)), firstChild);
}
}
}
/**
* Replaces the existing children of a ParentNode with a specified new set of children.
*
* @param parentNode Parent node.
* @param nodes List of Node or DOMString.
*/
static replaceChildren(parentNode, ...nodes) {
const childNodes = parentNode[PropertySymbol.nodeArray];
while (childNodes.length) {
parentNode.removeChild(childNodes[0]);
}
this.append(parentNode, ...nodes);
}
/**
* Returns an elements by class name.
*
* @param parentNode Parent node.
* @param className Tag name.
* @returns Matching element.
*/
static getElementsByClassName(parentNode, className) {
return new HTMLCollection_js_1.default(PropertySymbol.illegalConstructor, () => QuerySelector_js_1.default.querySelectorAll(parentNode, `.${className.replace(/\s+/gm, '.')}`)[PropertySymbol.items]);
}
/**
* Returns an elements by tag name.
*
* @param parentNode Parent node.
* @param tagName Tag name.
* @returns Matching element.
*/
static getElementsByTagName(parentNode, tagName) {
const upperTagName = tagName.toUpperCase();
const includeAll = tagName === '*';
const find = (parent, cachedResult) => {
const elements = [];
for (const element of parent[PropertySymbol.elementArray]) {
if (includeAll || element[PropertySymbol.tagName].toUpperCase() === upperTagName) {
elements.push(element);
}
element[PropertySymbol.affectsCache].push(cachedResult);
for (const foundElement of find(element, cachedResult)) {
elements.push(foundElement);
}
}
return elements;
};
const query = () => {
const cache = parentNode[PropertySymbol.cache].elementsByTagName;
const cachedItems = cache.get(tagName);
if (cachedItems?.result) {
const items = cachedItems.result.deref();
if (items) {
return items;
}
}
const cachedResult = { result: null };
const items = find(parentNode, cachedResult);
cachedResult.result = new WeakRef(items);
cache.set(tagName, cachedResult);
return items;
};
return new HTMLCollection_js_1.default(PropertySymbol.illegalConstructor, query);
}
/**
* Returns an elements by tag name and namespace.
*
* @param parentNode Parent node.
* @param namespaceURI Namespace URI.
* @param tagName Tag name.
* @returns Matching element.
*/
static getElementsByTagNameNS(parentNode, namespaceURI, tagName) {
// When the namespace is HTML, the tag name is case-insensitive.
const formattedTagName = namespaceURI === NamespaceURI_js_1.default.html &&
parentNode[PropertySymbol.ownerDocument][PropertySymbol.contentType] === 'text/html'
? tagName.toUpperCase()
: tagName;
const includeAll = tagName === '*';
const find = (parent, cachedResult) => {
const elements = [];
for (const element of parent[PropertySymbol.elementArray]) {
if ((includeAll || element[PropertySymbol.tagName] === formattedTagName) &&
element[PropertySymbol.namespaceURI] === namespaceURI) {
elements.push(element);
}
element[PropertySymbol.affectsCache].push(cachedResult);
for (const foundElement of find(element, cachedResult)) {
elements.push(foundElement);
}
}
return elements;
};
const query = () => {
const cache = parentNode[PropertySymbol.cache].elementsByTagNameNS;
const cachedItems = cache.get(tagName);
if (cachedItems?.result) {
const items = cachedItems.result.deref();
if (items) {
return items;
}
}
const cachedResult = { result: null };
const items = find(parentNode, cachedResult);
cachedResult.result = new WeakRef(items);
cache.set(tagName, cachedResult);
return items;
};
return new HTMLCollection_js_1.default(PropertySymbol.illegalConstructor, query);
}
/**
* Returns the first element matching a tag name.
* This is not part of the browser standard and is only used internally (used in Document).
*
* @param parentNode Parent node.
* @param tagName Tag name.
* @returns Matching element.
*/
static getElementByTagName(parentNode, tagName) {
const upperTagName = tagName.toUpperCase();
const find = (parent, cachedResult) => {
for (const element of parent[PropertySymbol.elementArray]) {
element[PropertySymbol.affectsCache].push(cachedResult);
if (element[PropertySymbol.tagName] === upperTagName) {
return element;
}
const foundElement = find(element, cachedResult);
if (foundElement) {
return foundElement;
}
}
return null;
};
const cache = parentNode[PropertySymbol.cache].elementByTagName;
const cachedItem = cache.get(tagName);
if (cachedItem?.result) {
const item = cachedItem.result.deref();
if (item) {
return item;
}
}
const cachedResult = { result: null };
const item = find(parentNode, cachedResult);
cachedResult.result = item ? new WeakRef(item) : { deref: () => null };
cache.set(tagName, cachedResult);
return item;
}
/**
* Returns an element by ID.
*
* @param parentNode Parent node.
* @param id ID.
* @returns Matching element.
*/
static getElementById(parentNode, id) {
id = String(id);
if (parentNode instanceof Document_js_1.default) {
const entry = parentNode[PropertySymbol.elementIdMap].get(id);
if (entry?.elements.length > 0) {
return entry.elements[0];
}
return null;
}
const find = (parent, cachedResult) => {
for (const element of parent[PropertySymbol.elementArray]) {
element[PropertySymbol.affectsCache].push(cachedResult);
if (element.getAttribute('id') === id) {
return element;
}
const foundElement = find(element, cachedResult);
if (foundElement) {
return foundElement;
}
}
return null;
};
const cache = parentNode[PropertySymbol.cache].elementById;
const cachedItem = cache.get(id);
if (cachedItem?.result) {
const item = cachedItem.result.deref();
if (item) {
return item;
}
}
const cachedResult = { result: null };
const item = find(parentNode, cachedResult);
cachedResult.result = item ? new WeakRef(item) : { deref: () => null };
cache.set(id, cachedResult);
return item;
}
}
exports.default = ParentNodeUtility;
//# sourceMappingURL=ParentNodeUtility.cjs.map